Preliminary Datasheet 2.7W Stereo Audio Power Amplifier with Shutdown, 4 Selectable Gain Setups AA4005 General Description Features The AA4005 is a Class AB audio power amplifier which can deliver 2.7W into 3Ω speakers with 5.0V power supply and THD+N less than 10%. It is designed specially for Notebook PC and portable media player applications. · · · · · The AA4005 features stereo full differential input or 2 sets of stereo Single-Ended audio input. There are 4 different gain settings at BTL mode - 6dB, 10dB, 15.6dB and 21.6dB, changed by setting GAIN0, GAIN1 pins. · · AA4005 is available in TSSOP-20 (EDP) package. Output Power, THD+N=10% 1.5W at BTL Mode for 8Ω Speaker 2.3W at BTL Mode for 4Ω Speaker 2.7W at BTL Mode for 3Ω Speaker Supply Voltage Range: 3.0V to 5.5V 4 Selectable Internal Fixed Gain Setups Stereo Full Differential Input Low Power Consumption at Shutdown Mode 100µA Typical Excellent Click/POP Noise Suppression Thermal Shutdown Protection Applications · · Notebook PC Portable Media Player TSSOP-20（EDP） Figure 1. Package Type of AA4005 Apr. 2008 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 1 Preliminary Datasheet 2.7W Stereo Audio Power Amplifier with Shutdown, 4 Selectable Gain Setups AA4005 Pin Configuration G Package (TSSOP-20(EDP)) GND 1 20 GND GAIN0 2 19 SHUTDOWN GAIN1 3 18 OUTR+ OUTL+ 4 17 RIN- LIN- 5 16 VDD PVDD 6 15 PVDD RIN+ 7 14 OUTR- OUTL- 8 13 GND LIN+ 9 12 NC 10 11 GND BYPASS Figure 2. Pin Configuration of AA4005 (Top View) Apr. 2008 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 2 Preliminary Datasheet 2.7W Stereo Audio Power Amplifier with Shutdown, 4 Selectable Gain Setups AA4005 Pin Description PIN Number PIN Name Function 1, 11, 13, 20 GND Ground reference, it is better to connect with thermal pad. 2 Gain0 Internal gain setup 0, see table-1 below. 3 Gain1 Internal gain setup 1, see table-1 below. 4 OUTL+ Left channel positive output 5 LIN- 6, 15 PVDD Power supply for output stage Left channel negative input 7 RIN+ Right channel positive input for differential input, AC ground for Single-ended input. 8 OUTL- 9 LIN+ 10 BYPASS Left channel negative output Left channel positive input for differential input, AC ground for Single-ended input Internal reference voltage pin, connect a 1.0µF ceramic capacitor to GND 12 NC 14 OUTR- Right channel negative output No connected 16 VDD Power supply for analog circuit 17 RIN- Right channel negative input 18 OUTR+ Right channel positive output 19 SHUTDOWN Shutdown mode select, L - Shutdown enable H - Shutdown disable, normal work Apr. 2008 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 3 Preliminary Datasheet 2.7W Stereo Audio Power Amplifier with Shutdown, 4 Selectable Gain Setups AA4005 Table-1, Gain vs.Gain0, Gain1 Logic level GAIN0 GAIN1 Gain L L 6dB L H 10dB H L 15.6dB H H 21.6dB Ordering Information AA4005 Circuit Type E1: Lead Free Package G: TSSOP-20(EDP） TR: Tape and Reel Part Number Package Temperature Range TSSOP-20(EDP) -40 to 85oC Marking ID Lead Free Lead Free AA4005GTR-E1 AA4005G Packing Type Tape and Reel BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant. Apr. 2008 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 4 Preliminary Datasheet 2.7W Stereo Audio Power Amplifier with Shutdown, 4 Selectable Gain Setups AA4005 Absolute Maximum Ratings (Note 1) Parameter Symbol Value Unit Power Supply Voltage VDD 6.0 V Input Voltage VIN -0.3 to VDD+0.3 V Power Dissipation (Note 2) PD Internally limited Thermal Resistance θJA 35 (Note 3) oC/W Operating Junction Temperature TJ 150 oC ESD (Machine Mode) 200 V ESD (Human Body Mode) 2000 V Storage Temperature Range Lead Temperature (Soldering, 10 Seconds) TSTG -65 to 150 o TLEAD 260 o C C Note 1: Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "Recommended Operating Conditions" is not implied. Exposure to "Absolute Maximum Ratings" for extended periods may affect device reliability. Note 2: The maximum power dissipation must be derated at elevated temperatures and is dictated by TJMAX, θJA and the ambient temperature TA. The maximum allowable power dissipation is PDMAX = (TJMAX-TA)/θJA. For the AA4005, TJMAX = 150oC, and the typical junction-to-ambient thermal resistance for TSSOP-20 (EDP) package can be found in the Absolute Maximum Ratings section. Note 3: Chip is soldered to 60mm2 (4mm×15mm) copper (top side solder mask) of 1oz. on PCB with 8×0.5mm vias. Recommended Operating Conditions Parameter Symbol Min Max Unit Input Voltage VDD 3.0 5.5 V TA -40 85 o Operating Ambient Temperature Range Apr. 2008 Rev. 1. 0 C BCD Semiconductor Manufacturing Limited 5 Preliminary Datasheet 2.7W Stereo Audio Power Amplifier with Shutdown, 4 Selectable Gain Setups AA4005 Electrical Characteristics VDD=5.0V, Gain=6dB, TA=25oC, f=1kHz, 22kHz Low pass filter, unless otherwise specified. Parameter Quiescent Current Shutdown Current SHUTDOWN Symbol Conditions Min Typ Max Unit IDD VIN=0, IO=0 6.5 12 mA ISD VSHUTDOWN=0 100 200 µA 0.8 V VIL 2.0 VIH V Thermal Shutdown Temperature 165 Hysteresis Temp Window 35 Output Offset Voltage Output Power Total Harmonic Distortion Plus Noise Signal to Noise Ratio VIN=0, No load ±5 oC o ±25 C mV THD+N=1%, RL=3Ω, 2.1 W THD+N=10%, RL=3Ω, 2.7 W THD+N=1%, RL=4Ω, 1.8 W THD+N=10%, RL=4Ω, 2.3 W THD+N=1%, RL=8Ω 1.2 W THD+N=10%, RL=8W 1.5 W THD+N PO=1W, RL=4W 0.08 % S/N PO=1W, RL=4Ω 100 dB -100 dB PO Cross Talk XTALK f=1kHz Power Supply Rejection Ration PSRR Cb=1mF, f=1kHz, Vripple=0.2VRMS 70 dB Output Noise VNO f=20Hz~20kHz, RL=8Ω 18 µVRMS Apr. 2008 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 6 Preliminary Datasheet 2.7W Stereo Audio Power Amplifier with Shutdown, 4 Selectable Gain Setups AA4005 Typical Performance Characteristics 11 9 8 VSHUTDOWN=VDD Shutdown Current_ISD (µA) Quiescent Current _IDD (mA) 200 VIN=0 IOUT=0 10 7 6 5 4 3 180 VIN=0 160 IOUT=0 140 VSHUTDOWN=0 120 100 80 60 2 40 1 20 0 3.0 3.5 4.0 4.5 5.0 5.5 0 3.0 6.0 3.5 4.5 5.0 5.5 6.0 Supply Voltage_VDD (V) Supply Voltage _VDD (V) Figure 3. Quiescent Current vs. Supply Voltage Figure 4. Shutdown Current vs. Supply Voltage 10 10 f=1kHz RL=4Ω Gain=6dB LPF=22kHz VDD=3.0V f=1kHz RL=4Ω (VDD=5.5V) (VDD=5.0V) (VDD=3.6V) 1 THD+N (%) THD+N (%) 4.0 (VDD=3.3V) (VDD=3.0V) Gain=6dB LPF=22kHz 1 0.1 0.1 10m 100m 1 10m Output Power (W) 100m 1 Output Power (W) Figure 5. THD+N vs. Output Power Figure 6. THD+N vs. Output Power Apr. 2008 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 7 Preliminary Datasheet 2.7W Stereo Audio Power Amplifier with Shutdown, 4 Selectable Gain Setups AA4005 Typical Performance Characteristics (Continued) 10 VDD=3.0V f=1kHz RL=3Ω VDD=3.0V f=1kHz RL=8Ω Gain=6dB LPF=22kHz Gain=6dB LPF=22kHz THD+N (%) THD+N (%) 10 1 1 0.1 0.1 10m 100m 1 10m 100m Output Power (W) Figure 7. THD+N vs. Output Power Figure 8. THD+N vs. Output Power 10 10 VDD=5.0V f=1kHz RL=8Ω VDD=5.0V f=1kHz RL=4Ω Gain=6dB LPF=22kHz THD+N (%) Gain=6dB LPF=22kHz THD+N (%) 1 Output Power (W) 1 1 0.1 0.1 10m 100m 10m 1 100m 1 Output Power (W) Output Power (W) Figure 9. THD+N vs. Output Power Figure 10. THD+N vs. Output Power Apr. 2008 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 8 Preliminary Datasheet 2.7W Stereo Audio Power Amplifier with Shutdown, 4 Selectable Gain Setups AA4005 Typical Performance Characteristics (Continued) 10 10 VDD=5.0V f=1kHz RL=4Ω Gain=6dB LPF=22kHz LPF=22kHz THD+N (%) THD+N (%) VDD=5.0V f=1kHz RL=3Ω 1 Gain=21.6dB 1 Gain=15.6dB Gain=6dB Gain=10dB 0.1 0.1 10m 100m 1 10m 100m Output Power (W) Figure 11. THD+N vs. Output Power Figure 12. THD+N vs. Output Power 10 10 VDD=5.0V RL=4Ω VDD=5.0V RL=4Ω 1 f=10kHz THD+N (%) Gain=6dB LPF=30kHz 1 THD+N (%) 1 Output Power (W) f=1kHz PO=0.25W 0.1 0.1 PO=1W f=20Hz 0.01 0.01 10m Gain=6dB LPF=30kHz 100m PO=1.5W 100 1 1k 10k Frequency (Hz) Output Power (W) Figure 13. THD+N vs. Output Power Figure 14. THD+N vs. Frequency Apr. 2008 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 9 Preliminary Datasheet 2.7W Stereo Audio Power Amplifier with Shutdown, 4 Selectable Gain Setups AA4005 Typical Performance Characteristics (Continued) 10 10 VDD=5.0V RL=8Ω Gain=6dB LPF=30kHz THD+N (%) THD+N (%) 1 VDD=5.0V RL=4Ω, PO=1W PO=500mW PO=250mW 0.1 1 Gain=6dB LPF=30kHz LPF=80kHz LPF=30kHz 0.1 PO=1000W 0.01 0.01 100 1k 10k 100 Figure 15. THD+N vs. Frequency Figure 16. THD+N vs. Frequency 10 24 VDD=5.0V RL=8Ω, PO=1W 20 Gain=6dB LPF=30kHz VDD=5.0V RL=8Ω, CIN=1.0µF 18 Gain (dB) THD+N (%) Gain0, Gain1=H, H 22 Gain=15.6dB 0.1 10k Frequency (Hz) Frequency (Hz) 1 1k Gain=21.6dB Gain0, Gain1=H, L 16 14 12 Gain0, Gain1=L, H 10 Gain=10dB 8 Gain=6dB 0.01 100 Gain0, Gain1=L, L 6 1k 10k 4 20 100 1k 10k 20k Frequency (Hz) Frequency (Hz) Figure 17. THD+N vs. Frequency Figure 18. Gain vs. Frequency Apr. 2008 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 10 Preliminary Datasheet 2.7W Stereo Audio Power Amplifier with Shutdown, 4 Selectable Gain Setups AA4005 Typical Performance Characteristics (Continued) 0 0 Cb=1.0µF, RL=8Ω -20 Vripple=0.2VRMS -20 -40 Input AC Ground Crosstalk (dB) -30 PSRR (dB) VDD=5.0V RL=8Ω, PO=1.0W VDD=5.0V -10 -40 -50 -60 -60 -80 Right -> Left -100 -70 -120 -80 Left -> Right -90 20 100 1k 10k -140 20k 20 Frequency (Hz) 100 1k 10k Frequency (Hz) Figure 19. PSRR vs. Frequency Figure 20. Crosstalk vs. Frequency Apr. 2008 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 11 20k Preliminary Datasheet 2.7W Stereo Audio Power Amplifier with Shutdown, 4 Selectable Gain Setups AA4005 Typical Application VDD Cs10µF 1µF + 6， 15 16 PVDD VDD CIN0.47µF Gain Control Left IN- CIN0.47µF Left Out+ 4 Left Out- 8 Right Out+ 18 Right Out- 14 GAIN0 2 GAIN1 3 + 5 AMP1 + 9 - AMP2 CIN0.47µF 17 Right IN- + Gain Control CIN0.47µF AMP3 + 7 Cb1µF AMP4 10 BYPASS 19 SHUTDOWN VREF 1, 11, 13, 20 Figure 21. Typical Application of AA4005 for Single-ended input Apr. 2008 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 12 Preliminary Datasheet 2.7W Stereo Audio Power Amplifier with Shutdown, 4 Selectable Gain Setups AA4005 Typical Application (Continued) VDD 1µF Cs10µF + 6， 15 16 PVDD VDD CIN0.47µF Gain Control Left IN- CIN0.47µF Left Out+ 4 Left Out- 8 Right Out+ 18 Right Out- 14 GAIN0 2 GAIN1 3 + 5 AMP1 + 9 - Left IN+ AMP2 CIN0.47µF 17 Right IN- + Gain Control CIN0.47µF AMP3 + 7 Right IN+ Cb1µF - AMP4 10 BYPASS 19 SHUTDOWN VREF 1, 11, 13, 20 Figure 22. Typical Application of AA4005 for full differential input Apr. 2008 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 13 Preliminary Datasheet 2.7W Stereo Audio Power Amplifier with Shutdown, 4 Selectable Gain Setups AA4005 Mechanical Dimensions TSSOP-20(EDP) Unit: mm(inch) 6.400(0.252) 6.600(0.260) Ф 2.900(0.114) 3.100(0.122) 4.100(0.161) 4.300(0.169) 6.200(0.244) 6.600(0.260) EXPOSED PAD 4.300(0.169) 4.500(0.177) INDEX0.750(0.030)Dp0.000(0.000) 0.850(0.033) 0.100(0.004) #1 PIN Ф 0.100(0.004) 0.190(0.007) 0.650(0.026)TYP 0.900(0.035) 1.050(0.041) 0.340(0.013) 0.540(0.021) 4-10° 14° TOP & BOTTOM 0.200(0.008)MIN R0.090(0.004)MIN 1.200(0.047) MAX 0.050(0.002) R0.090(0.004)MIN 0.150(0.006) 0.250(0.010)TYP 0° 8° 0.200(0.008) 0.280(0.011) 0.450(0.018) 0.750(0.030) Apr. 2008 Rev. 1. 0 1.000(0.039) REF BCD Semiconductor Manufacturing Limited 14 BCD Semiconductor Manufacturing Limited http://www.bcdsemi.com IMPORTANT NOTICE IMPORTANT NOTICE BCD Semiconductor BCD Semiconductor Manufacturing Manufacturing Limited Limited reserves reserves the the right right to to make make changes changes without without further further notice notice to to any any products products or or specifispecifications herein. cations herein. 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